Income Gap Broadens Amid Boom;
Disparity of Wages Varies by State

NEW YORK -- It is an old adage that has picked up new life during the booming U.S. economic expansion: The rich get richer.

But in what states are the rich getting richer the fastest? For the answer, think Wall Street and high technology. A study scheduled for release Tuesday by two Washington think tanks, the Economic Policy Institute and the Center on Budget and Policy Priorities, found that while the income gap between rich and...